单项选择题
A.40m3/h;0.5MpaB.90m3/h;0.2MpaC.100m3/h;0.1Mpa
A.2.5-3.2MPa;101B.3.5-4.2Mpa;111C.4.5-5.2Mpa;121
A.-196℃;-162℃B.-256℃;-152℃C.-80℃;-196℃